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A code indicating the class of an NDB.
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Allowable values:
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B
[en-route NDB.]
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L
[Locator = low powered NDB used as an aid for final approach.]
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M
[Marine beacon.]
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OTHER
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|
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A code indicating a class of unit (depending on the service provided).
|
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Allowable values:
|
ICAO
[A unit set up according to ICAO rules..]
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OTHER
[A unit NOT set up according ICAO rules..]
|
|
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A code indicating a colour. The list of allowable values comprises 'named' colours, not colours being only describable using the RGB or the CYMK or another colour system combination.
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Allowable values:
|
YEL
[yellow.]
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RED
[red.]
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WHI
[white.]
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BLU
[blue.]
|
GRN
[green.]
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PRP
[purple.]
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OTHER
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|
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A code indicating which event in a list of events in time should be given precedence over the others. E.g. the earliest or the latest.
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Allowable values:
|
E
[Earliest.]
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L
[Latest.]
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|
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A list of comparison operators.
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Allowable values:
|
L
[Lower.]
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LE
[Lozer or equal.]
|
E
[Equal.]
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GE
[Greater or equal.]
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G
[Greater.]
|
|
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A code indicating one of the two components of a TACAN facility.
|
|
Allowable values:
|
DIST
[Distance indicator.]
|
AZMT
[Azimuth indicator.]
|
|
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A code indicating the composition of a surface. For example, asphalt, concrete etc..
|
|
Allowable values:
|
ASPH
[asphalt.]
|
ASP+GRS
[asphalt and grass.]
|
BITUM
[Bituminous tar or asphalt and/or oil or bitumen bound, mix-in-place surfaces (often reffered to as "earth cement")..]
|
[note:
A bituminous tar or asphalt surface is prepared by digging up the surface, mixing the material zith bitumen or oil binder, and surfacing the surface with the resulting mixture. Bitumen is the family name for tar which is derived from coal, or asphalt which is derived from oil.
.]
|
BRICK
[Brick.]
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CLAY
[Clay.]
|
CONC
[concrete.]
|
CONC+ASPH
[concrete and asphalt.]
|
CONC+GRS
[concrete and grass.]
|
CORAL
[Coral.]
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GRADE
[Graded earth - Graded or Rolled Earth, Grass on Graded Earth..]
|
GRASS
[grass.]
|
GRAVE
[Gravel.]
|
ICE
[Ice.]
|
LATERITE
[Laterite - a high iron clay formed in tropical areas..]
|
MACADAM
[Macadam - a macadam or tarmac surface consisting of water-bound crushed rock..]
|
MATS
[Landing mat portable system, usually made of aluminium.]
|
MEMBRANE
[A protective laminate, usually made of rubber.]
|
METAL
[Metal - Steel, Aluminium.]
|
PSP
[Pierced steel planking.]
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SAND
[sand.]
|
SNOW
[Snow.]
|
STONE
[Stone.]
|
WATER
[water.]
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WOOD
[Wood.]
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OTHER
[Other surface composition.]
|
|
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A code indicating the condition of a RWY, TWY, SWY, FATO, TLOF or APRON surface.
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|
Allowable values:
|
GOOD
[Good.]
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FAIR
[Fair.]
|
POOR
[Poor.]
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OTHER
|
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A code indicating the geodetic datum in which the geographical co-ordinates are expressed (list of allowable based on the ICAO WGS-84 Manual; abbreviations based on ARINC 424, Attachment 2).
|
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Allowable values:
|
WGE
[WGS-84 (GRS-80).]
|
WGC
[WGS-72.]
|
EUS
[European 1950 (ED 50).]
|
EUT
[European 1979 (ED 79).]
|
ANS
[Austria NS.]
|
BEL
[Belgium 50.]
|
BRN
[Berne 1873.]
|
CHI
[CH-1903.]
|
DGI
[Danish GI 1934.]
|
IGF
[Nouvelle Triangulation de France (Greenwich Zero Meridian).]
|
POT
[Potsdam.]
|
GRK
[GGRS 87 (Greece).]
|
HJO
[Hjorsey 55 (Iceland).]
|
IRL
[Ireland 65.]
|
ROM
[Rome (Italy) 1940.]
|
IGL
[Nouvelle Triangulation de Luxembourg.]
|
OGB
[Ordnance Survey of Great Britain 36.]
|
DLX
[Portugal DLX.]
|
PRD
[Portugal 1973.]
|
RNB
[RNB 72 (Belgium).]
|
STO
[RT90 (Sweden).]
|
NAS
[North American 1927.]
|
NAW
[North American 1983.]
|
U
[Other datum or unknown..]
|
|
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A code indicating a particular day. For example, Monday, Tuesday, Wednesday, Thursday, Friday, Saturday, Sunday, the day preceding a holiday, a legal holiday, the day following a holiday, the day preceding a working day, a working day, the day following a working day.
|
|
Allowable values:
|
MON
[Monday.]
|
TUE
[Tuesday.]
|
WED
[Wednesday.]
|
THU
[Thursday.]
|
FRI
[Friday.]
|
SAT
[Saturday.]
|
SUN
[Sunday.]
|
MOFRI
DEPRECATED-4.0
[Monday to Friday.]
|
WD
[Working day.]
|
[note:
This value indicates any day which is neither a Legal Holiday nor a weekly non-working day.
.]
|
PWD
[the day preceding a working day.]
|
AWD
[the day after a working day.]
|
LH
[Legal Holiday.]
|
[note:
This value does not include the weekly non-working days (for example, Saturday and Sunday in most European States).
.]
|
PLH
[the day preceding a legal holiday..]
|
ALH
[the day after a legal holiday.]
|
ANY
[Any day.]
|
|